/*!	 trees/childrentreestore.h
**	 Template Header
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2007 Chris Moore
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_STUDIO_CHILDRENTREESTORE_H
#define __SYNFIG_STUDIO_CHILDRENTREESTORE_H

#include <gtkmm/treestore.h>
#include <synfigapp/canvasinterface.h>
#include "trees/canvastreestore.h"
#include <synfig/value.h>
#include <synfig/valuenode.h>
#include <set>

namespace studio
{

class ChildrenTreeStore : public CanvasTreeStore
{


public:



public:

    // TreeModel for the layers
    const Model model;



private:

    Gtk::TreeModel::Row value_node_row;
    Gtk::TreeModel::Row canvas_row;

    std::set<synfig::ValueNode::Handle> changed_set_;

    std::set<synfig::ValueNode::Handle> replaced_set_;



private:

    sigc::connection changed_connection;
    bool execute_changed_queued()const
    {
        return !changed_set_.empty() || !replaced_set_.empty();
    }
    bool execute_changed_value_nodes();
    void clear_changed_queue()
    {
        changed_set_.clear();
        replaced_set_.clear();
    }



private:

    void on_value_node_added(synfig::ValueNode::Handle value_node);
    void on_value_node_deleted(synfig::ValueNode::Handle value_node);
    void on_value_node_changed(synfig::ValueNode::Handle value_node);
    void on_value_node_renamed(synfig::ValueNode::Handle value_node);
    void on_value_node_replaced(synfig::ValueNode::Handle replaced_value_node, synfig::ValueNode::Handle new_value_node);
    void on_canvas_added(synfig::Canvas::Handle canvas);
    void on_canvas_removed(synfig::Canvas::Handle canvas);

    void set_value_impl(const Gtk::TreeModel::iterator& iter, int column, const Glib::ValueBase& value);



public:

    ChildrenTreeStore(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_);
    ~ChildrenTreeStore();

    void rebuild();

    void refresh();

    void rebuild_value_nodes();

    void refresh_value_nodes();

    void rebuild_canvases();

    void refresh_canvases();

    void refresh_row(Gtk::TreeModel::Row &row, bool do_children = false);

    Gtk::TreeModel::Row get_canvas_row()const
    {
        return canvas_row;
    }

    Gtk::TreeModel::Row get_value_node_row()const
    {
        return value_node_row;
    }



public:

    static Glib::RefPtr<ChildrenTreeStore> create(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_);
}; // END of class ChildrenTreeStore

}; // END of namespace studio

#endif